code.vuplus.com Git - vuplus_webkit/blob - Source/WebCore/inspector/front-end/ScopeChainSidebarPane.js

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
   3  * Copyright (C) 2011 Google Inc. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 WebInspector.ScopeChainSidebarPane = function()
  28 {
  29     WebInspector.SidebarPane.call(this, WebInspector.UIString("Scope Variables"));
  30     this._sections = [];
  31     this._expandedSections = {};
  32     this._expandedProperties = [];
  33 }
  34
  35 WebInspector.ScopeChainSidebarPane.prototype = {
  36     update: function(callFrame)
  37     {
  38         this.bodyElement.removeChildren();
  39
  40         if (!callFrame) {
  41             var infoElement = document.createElement("div");
  42             infoElement.className = "info";
  43             infoElement.textContent = WebInspector.UIString("Not Paused");
  44             this.bodyElement.appendChild(infoElement);
  45             return;
  46         }
  47
  48         for (var i = 0; i < this._sections.length; ++i) {
  49             var section = this._sections[i];
  50             if (!section.title)
  51                 continue;
  52             if (section.expanded)
  53                 this._expandedSections[section.title] = true;
  54             else
  55                 delete this._expandedSections[section.title];
  56         }
  57
  58         this._sections = [];
  59
  60         var foundLocalScope = false;
  61         var scopeChain = callFrame.scopeChain;
  62         for (var i = 0; i < scopeChain.length; ++i) {
  63             var scope = scopeChain[i];
  64             var title = null;
  65             var subtitle = scope.object.description;
  66             var emptyPlaceholder = null;
  67             var extraProperties = null;
  68
  69             switch (scope.type) {
  70                 case "local":
  71                     foundLocalScope = true;
  72                     title = WebInspector.UIString("Local");
  73                     emptyPlaceholder = WebInspector.UIString("No Variables");
  74                     subtitle = null;
  75                     if (callFrame.this)
  76                         extraProperties = [ new WebInspector.RemoteObjectProperty("this", WebInspector.RemoteObject.fromPayload(callFrame.this)) ];
  77                     if (i == 0) {
  78                         var exception = WebInspector.debuggerModel.debuggerPausedDetails.exception;
  79                         if (exception) {
  80                             extraProperties = extraProperties || [];
  81                             extraProperties.push(new WebInspector.RemoteObjectProperty("<exception>", WebInspector.RemoteObject.fromPayload(exception)));
  82                         }
  83                     }
  84                     break;
  85                 case "closure":
  86                     title = WebInspector.UIString("Closure");
  87                     emptyPlaceholder = WebInspector.UIString("No Variables");
  88                     subtitle = null;
  89                     break;
  90                 case "catch":
  91                     title = WebInspector.UIString("Catch");
  92                     break;
  93                 case "with":
  94                     title = WebInspector.UIString("With Block");
  95                     break;
  96                 case "global":
  97                     title = WebInspector.UIString("Global");
  98                     break;
  99             }
 100
 101             if (!title || title === subtitle)
 102                 subtitle = null;
 103
 104             var section = new WebInspector.ObjectPropertiesSection(WebInspector.RemoteObject.fromPayload(scope.object), title, subtitle, emptyPlaceholder, true, extraProperties, WebInspector.ScopeVariableTreeElement);
 105             section.editInSelectedCallFrameWhenPaused = true;
 106             section.pane = this;
 107
 108             if (!foundLocalScope || scope.type === "local" || title in this._expandedSections)
 109                 section.expanded = true;
 110
 111             this._sections.push(section);
 112             this.bodyElement.appendChild(section.element);
 113         }
 114     }
 115 }
 116
 117 WebInspector.ScopeChainSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;
 118
 119 WebInspector.ScopeVariableTreeElement = function(property)
 120 {
 121     WebInspector.ObjectPropertyTreeElement.call(this, property);
 122 }
 123
 124 WebInspector.ScopeVariableTreeElement.prototype = {
 125     onattach: function()
 126     {
 127         WebInspector.ObjectPropertyTreeElement.prototype.onattach.call(this);
 128         if (this.hasChildren && this.propertyIdentifier in this.treeOutline.section.pane._expandedProperties)
 129             this.expand();
 130     },
 131
 132     onexpand: function()
 133     {
 134         this.treeOutline.section.pane._expandedProperties[this.propertyIdentifier] = true;
 135     },
 136
 137     oncollapse: function()
 138     {
 139         delete this.treeOutline.section.pane._expandedProperties[this.propertyIdentifier];
 140     },
 141
 142     get propertyIdentifier()
 143     {
 144         if ("_propertyIdentifier" in this)
 145             return this._propertyIdentifier;
 146         var section = this.treeOutline.section;
 147         this._propertyIdentifier = section.title + ":" + (section.subtitle ? section.subtitle + ":" : "") + this.propertyPath;
 148         return this._propertyIdentifier;
 149     },
 150
 151     get propertyPath()
 152     {
 153         if ("_propertyPath" in this)
 154             return this._propertyPath;
 155
 156         var current = this;
 157         var result;
 158
 159         do {
 160             if (result)
 161                 result = current.property.name + "." + result;
 162             else
 163                 result = current.property.name;
 164             current = current.parent;
 165         } while (current && !current.root);
 166
 167         this._propertyPath = result;
 168         return result;
 169     }
 170 }
 171
 172 WebInspector.ScopeVariableTreeElement.prototype.__proto__ = WebInspector.ObjectPropertyTreeElement.prototype;